2666d7373a8f5514e06667fa8ac59f011c37a58ca7b6a99e5f66ae9bd271fa17

Analysis

max time kernel
150s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
04-05-2023 21:58

Target

emerging-all.rules
Size

24.5MB
MD5

dc3861f73ceb01cfcab521b2658c2030
SHA1

5bebe81998e3f6a0d73047c344cab38d7932296f
SHA256

2666d7373a8f5514e06667fa8ac59f011c37a58ca7b6a99e5f66ae9bd271fa17
SHA512

6bd63dabba07fe9190c5a1c1d2245f5cc895ae9dc14a611ded4e77f435595b584445059b04255fab82fcf857b0b40db3354191ff92713181228df8f06484f7d2
SSDEEP

49152:7DV3VnNc41yOOCvN4AbblpQI91DPplIqo4MRihXTu00gOJims+ACbaaA69fKw5jv:ftVnNdOCvN4AbOWCmoahA

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\rules_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.rules	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.rules\ = "rules_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\rules_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\rules_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\rules_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\rules_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\rules_auto_file\	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 1908	1156	cmd.exe	29
PID 1156 wrote to memory of 1908	1156	cmd.exe	29
PID 1156 wrote to memory of 1908	1156	cmd.exe	29
PID 1908 wrote to memory of 1744	1908	rundll32.exe	30
PID 1908 wrote to memory of 1744	1908	rundll32.exe	30
PID 1908 wrote to memory of 1744	1908	rundll32.exe	30
PID 1908 wrote to memory of 1744	1908	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\emerging-all.rules
1⤵
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\emerging-all.rules
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1908
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\emerging-all.rules"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1744

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact